Graco 24M224(HP), 256273(HM) For heating hoppers only, For heating heated hose only

Setup

For heating hoppers only:

See fluid schematic on page 9 and parts on page 21.

NOTE: To ensure a leak-proof seal, use PTFE tape on all pipe thread connections.

1.Connect A and B fluid hoses to shutoff check valve outlets (H).

2.Connect elbow fitting (17) in pump outlet (3) and elbow fitting (17) on heater inlet (A) with tubing (16).

3.Connect fitting (7) in the heater fluid outlet (A) and tee fitting (13) with tubing (4). Connect tee fitting (13) and fittings (7) in the hopper side ports with tubing (4).

4.Connect fittings (31) to elbow in bottom outlet of hoppers and tee fitting (30) with tubing (29). Con- nect tee fitting (30) and the pump (3) inlet fitting (31) with tubing (29).

For heating heated hose only:

See fluid schematic on page 13 and parts on page 22.

1.Connect A and B fluid hoses to shutoff check valve fluid outlets (H).

2.Connect elbow fitting (17) in pump outlet (3) and elbow fitting (17) on heater inlet (A) with tubing (16).

3.Connect fitting (7) in the heater fluid outlet (A) and tee fitting (13) with tubing (4).

4.Connect tee fitting (42) and elbow fitting (41) to recirculation inlets and outlet connections of the heated hose. See FIG. 10.

5.Connect elbow fitting (7) to 1-1/2 gallon tank mani- fold (23) with tubing (4).

For heating hoppers and heated hose:

See fluid schematic on page 11 and parts on page 20.

1.Connect A and B fluid hoses to shutoff check valve outlets (H).

2.Connect elbow fitting (17) in pump outlet (3) and elbow fitting (17) on heater inlet (A) with tubing (16).

Installation

3.Connect fitting (7) in the heater fluid outlet (A) and tee fitting (13) to hose circulation inlet with tubing (4).

4.Connect tee fitting (13) from hose circulation return to tee fitting (13) with tubing (4).

5.Connect tee fitting (13) and fittings (7) in the hopper side ports with tubing (4).

6.Connect fittings (31) to elbow in bottom outlet of hoppers and tee fitting (30) with tubing (29). Con- nect tee fitting (30) and the pump (3) inlet fitting (31) with tubing (29).

Hopper Inlet or	Blue hose connections
1-1/2 gallon tank
manifold

Heater Outlet

ti19230a

Red hose connections

FIG. 10: Recirculation Inlet and Outlet Connections

Connecting Additional Hose Lengths

Up to six 50 ft (15.2 m) sections of heated hose can be attached for a maximum total length of 300 ft (91.4 m).

1.Remove plastic u-turn fittings at the end of the heated hose assembly.

2.Connect the next length of hose, using union fittings supplied with the hose.

3.Tubes are color coded. Connect like colors.

NOTICE

To prevent cross-contamination, ensure you connect “A” side fluid hose to “A” side fluid hose on additional heated hose.

313259D 17